Because Nintendo 1st party games are already choking 3rd parties' business on 3DS. Look at Professor Layton vs. Ace Attorney...

Do your research better Ryan. Or do some research.

Every single company got the same attitude which is money making. So it sounds fair to me.

Keep in mind we don't know much about 3DS releases past Q1.

There is a game DB here. Go check it out. Then you have numbers, not "feelings" or "impressions" anymore.

We don't go by facts. We go by guts feelings.

Honestly man, when I first saw this post I thought it was hilarious and then got increasingly more worried as people kept replying with "this".  I mean, are you genuinely being serious?  If not, I apologise for this rant in advance.

It's alright for VicViper to get excited about every single Japanese 3DS game, then, but suddenly posting news of Japanese Vita announcements in the official thread for Vita suddenly makes it "celebrating every single obscure niche game" as if it's the "second coming".

Just take the offensive that you're on down a notch.  I mean heck, I read Siliconera and the Vita thread.  Put two and two together to make 4, not 5, and you'lll realise they're just responding to this news.  Feel free to go into the Vita thread and see if you can find people getting excited about playing Senran Kagura.  I think you'd struggle.  Ironically, there are a few people in the thread who have expressed an interest in importing various titles because they can actually do that since the console isn't region locked.  Giving each Japanese announcement slightly more traction than an obscure 3DS announcement.

Look at it logically.  Vita is generally regarded as having no games.  Vita selling poorly in Japan.  Vita gets a shit load of announcements for Q1 in Japan.  People in the Vita thread are generally owners and fans of the console.  Do you think they're perhaps more hopeful about these games helping Vita gain traction in Japan so a few bigger names come to the console that have more chance of being localised in the future?  Perhaps they're just looking forward to the console getting some sort of sales spike in Japan next year (this is a sales site after all)?  And there are inevitably a few posters in that thread who are fans of Japanese games and bought a region-free handheld so should be free to celebrate these announcements if they wish.

Or not, since it seems to bother quite a lot of people.

The games on the Vita don't appeal as much to handheld owners. Again it's cool to have Uncharted and Assassins, but many people (including me) don't want PS3 games on the Vita, I want a different experience, and that's the whole point tbh. 3DS has a handheld feel to it, even though they made some big mistakes with it imo, but some of the games have been fantastic (especially SM3D Land)

And to answer the OP's question: there's probably something in my tl;dr post above. Mostly about Vita having a large amount of announcements for Q1 in Japan next year and these seem more readily readable on these forums since there has been a lot of coverage on Siliconera recently.

For lack of a better word, it is your 'imagination' ...

With going to multiple sites, there are consistently more games in the upcomming 3DS list than there is in the PS-Vita list. What you're (probably) being influenced by is that the 3DS has more new IPs and original games and the PS-Vita's list is made up of a lot of ports and/or cheap cash-ins on known franchises.