They will be significantly slower and less reliable than the current formula.
Yes, they’ll be slower, but less reliable, in the 21st century where there was a race in spain in which all cars on the grid finished?
As a Canadian once sang:
Forget about your silly whim, it doesn’t fit the plan!
If I’m right, though, then the FIA could be pressured to put even more of what some commenters (sort of) call artificial overtaking devices, which will proably only be bad for the World Championship..