Actually the DX-7 ruined the sound of pop music from 1985 - 1995. That plastic piercing “Electric Piano” sound that’s all over Whitney Houston records and just about everything else released during that period is the DX-7.
FM synthesis is an amazing bit of technology, but like many amazing technologies it hasn’t always been put to good use.
I think the real issue is common to anything new- it took a while for people to figure out the best uses.
The execrable ‘We Are The World’ as well, I believe.
It also pretty much killed the use of real horn sections in rock/pop/r&b music. Nobody was going to pay 3 or 4 musicians to go on tour when they could just hire 1 guys with a synth.