As said.
Yes it was, months before the release it was going to be a PS5 game exclusively and in the few months before it was released, PD changed mind and tweaked the software to also have PS4 Version and compatibility, which in my humble opinion, it is what buggered it.
I would have been happy to go buy a PS5 just to play this, but when we were told it was going to be for both platforms I breathed easier not having to spend 600-800 for a 5, but now I am sort of forced to do just that to be able to play ....
Now the processing power of the PS5 is far better than the PS4.
( Think it's about 2.5 times )
When the Chips are pushed to their limits they will generate alot of heat and will reduce its ability to perform at its peak. Gt7 has lots of minor stuff in it we don't realise. Only noticed yesterday the crowd walking about in the stands. Also Remember seeing something in the trailer about kangaroos at Bathurst. But all the stuff the console has to deal with and maybe the fanatec issue will be causing the chips to process more than required.
Think of the heat as a by product of what's going on. Reduce the heat and it will perform much more efficient.
Nb: But since I've replaced the thermal paste & pads (added extra) and the fan blowing cool air over and another drawing the hot air out the back I've not had 1 in race freeze. I used to get freezes every other race, both online & offline against the a.i.
Only freeze I still have is the one waiting for race during warmup. Which has only been once so far.
But just going off my experience it seems it's processing power being pushed to its threshold limit. Helping keep it cooler has worked for me.