N.Core
1st Class of Neoa
I heavily disagree with this, especially since if you are leading tech-wise, the other civs get the bonuses through modifiers, and they can hurt you more by proposing the science boost (I forgot the name) on the WC.SV is the only victory type without any interaction with other civs
If you're heavily into SV, you're essentially carrying the tech for the whole game.
My idea of solving this is to give tech progression from reward by doing something instead of tech boost, kinda like Eureka from Civ VI; so then you can research faster since you already get partial progression. But I dislike the micro part of Eureka which can be a daunting task to do. If you want to fix SV by keep adding something to bulbing or Science yield in general, you will just keep inflating the tech cost to counter-balance it, not an ideal way of balancing.