Frame drops that happen more than once every several seconds are definitely noticeable (and, as a sibling comment pointed out, especially so in VR). Plus, throw

Frame drops that happen more than once every several seconds are definitely noticeable (and, as a sibling comment pointed out, especially so in VR). Plus, throwing away more than half your frame budget just because of GC seems unreasonable. And this isn't even considering monitors with high refresh rates, which are slowly getting more and more popular.