Because theres freedom of movement within the EU and we have had millions of muslim migrants that have entered the EU thanks to Germany. The only way to protect the borders is to leave the EU

Ah yes, the scary Muslims.

I am just frustrated that my country is being forced to implement EU regulation when we aren't in the EU

I'm bemused that you, a German, has the nerve to type such drivel considering the total devastation your nation has caused over the past 100 years. Even now, you're trying to dominate everyone with Merkel at the helm. Seriously, your nation should still hang its head in shame, not sit back sniggering at Britain! Can you not understand why we want to get away from you?

Uk has been getting a lot of non European migrants, thats what needed to be stopped.

Ah yes, the scary Muslims.

I am just frustrated that my country is being forced to implement EU regulation when we aren't in the EU

Muslims aren't a race. They aren't confined to various geographical areas.
In-fact, the majority of Muslims are not even in the Middle East.

You can have someone who is 100% European and be Muslim.
It's just bigoted nonesense in the end.

Because theres freedom of movement within the EU and we have had millions of muslim migrants that have entered the EU thanks to Germany. The only way to protect the borders is to leave the EU

Australia implements EU regulations when we aren't in the EU. Mostly for things like Tech/Safety standards.
And that's a good thing, because the EU have stringent guidelines and testing procedures.

Do you need to be so derogative? Who gives a shit if someone is German?
It's in the past, treat it as such.

I don't hold any ill-will for all the horrible things the British did in the past, especially when it came to the treatment of native inhabitants of various lands.

Why did it need to be stopped?
Just because someone comes from outside the EU, doesn't mean they have nefarious reasons.

Perhaps you should look towards other nations who are highly successful and multicultural as an example?

Muslims aren't a race. They aren't confined to various geographical areas.
In-fact, the majority of Muslims are not even in the Middle East.

You can have someone who is 100% European and be Muslim.
It's just bigoted nonesense in the end.

The UK is not part of Schengen. There is no obligatory free movement between mainland Europe and the UK due to the EU. They're also fully entitled to refuse taking refugees. And have the same rights to check anyone coming in if they are or aren't in the Union.

There also haven't been "millions" coming into the UK. Muslims, yes, but perfectly legal muslims that your country accepted as legal immigrants. Again, your choice. Germany isn't forcing you to take anyone. That's a decision they made by themselves. Unsurprisingly, the vast majority of the migrants consequently landed in Germany. 

http://ec.europa.eu/eurostat/statistics-explained/images/c/cc/Number_of_%28non-EU%29_asylum_seekers_in_the_EU_and_EFTA_Member_States%2C_2016_and_2017_%28thousands_of_first_time_applicants%29_YB18.png

(these are all asylum applicants, including both the accepted and rejected.

Also, the refugee crisis is pretty much over, by now. 

https://www.ft.com/content/1db1a8ec-2c26-11e8-9b4b-bc4b9f08f381

http://migration.iom.int/docs/Q3_Overview_Arrivals_to_Europe.pdf

Because I want countries to maintain their identities. Multicultural countries become Americanized countries. European countries have existed for thousands of years, with rich culture, geneology, customs, etc. America/Canada can be multicultural, because thats how they were created. Not every country needs to be. I dont even care if theyre good people or not, I care about maintaining identity and heritage. 

Actually Germany is trying to FORCE redistribution of migrants across the eu.