Personally anything below 70 - 75 and I'm heavily steered away, that doesn't mean the game is bad but with the way aggregates work I have never had much luck with a game below 75.

Often critics get it wrong and user scores end up being a better reflection like the sentiment around Khazan, that game is way better than 80 and gamers echo that but things get suspect below 75, I rarely find a point in trying to research further. I love being surprised though and there is some exceptions, Ai Limit for example is a 70 but I totally intend on playing that game for how users rated and described it.

I don't care about Open critic or Metacritic scores.

I've loved games that scored in the 60s and found games that scored in the 90s to be awful.

Review scores are just the opinions of a few hundred people in a world of 8 billion.

After years of looking at review scores, and seeing where my own scores land among them, I acknowledge there is value in the critical aggregate. I find myself landing ~10 points below the average pretty consistently, so I typically target titles no lower than high 70s (which is high 60s to low 70s for me).

The critical consensus is wrong at times, but I find it’s more likely to overrate than underrate.

As for the user score, that, for me, is less reliable, due to review bombing and console warring.

I think user reviews have value taken alongside the critic score. The PSN user scores are pretty decent cause people only rate if something is very good or bad so if you see something that's a 3 or less you known fairly well it's a shit show and if you see something rate 4.5 and above then it's gotten be something to look into further. This is all just to get to that research point mind, not actually buying the game. Gotta HLTB check it and then start researching to see if the game is for me or not. 

Above 85: Launch buying
80-85: Purchase as normal
75-80: Wait for a discount
70-75: Wait for a heavy discount, buying used or borrowing a copy
Bellow 70: Insta "no playing"

I agree user score is as good as useless for any kind of media I tried. Played Veilguard recently and while the game is only okay there is nothing on it the warrant so much rage and low scores 

When it come to games in series I like or from developers I like scores mean nothing.

But for new games that I see on previews and announcements that spark interest for my I will skip it completely if the score start with a 6.

Back in the early 00's, a score that hit 90 or below was usually panned by the community, so that was my default. But I haven't paid attention to reviews in a very long time. Now, it's more gathering my own information and coupling it with the general consensus.

Did you mean 60? 90 is very high score, very few games score above 90, this year only Expedition 33 and Split Fiction managed to get there

Below 70..... if that happends, I need to see something about it that heavily sparks my intrest, or its just a auto-ignore.

That said, alot of reviewers taste and scoring seem very off to me.
I rather take word or mouth or player feedback, than review scores.