The simple answer is that microsoft is a far more advanced company in terms of programming an OS, the gap shows when you compare console securities, where virtually every nintendo or sony device had software vulnerabilities, while microsoft consoles tended to need to be hardmodded
PS4 is 117M lifetime, PS3 is 87M lifetime, PS2 is 155M lifetime.
40M sits between the N64 lifetime and SNES lifetime sales. Keep in mind, as time progresses, the gaming market is bigger, so direct comparisons cant be done. Its only the 3rd year for the PS5, so it hasnt hit its half way point in its projected timeline.
For people playing efficiently, probably. Everytime i play a bethesda game, i usually go out of my way to play some theme. Playes skyrim in stealth(after 2h axing most of it), oblivion with magic, melee in fo3, energy in fnv, luck maxed pistol/revolver only for fo4.
Ill probably look at the weapon list at launch and pick a weapon type from there