Are you insane?
In their primes KG was a 24/14/5 guy and a top 3 defender in the league, and Ray Allen was a 26 PPG scorer and possibly the best shooter in the entire NBA.
I can understand comparing Kyrie to Ray, but comparing KG to Hayward? Man, that's borderline insulting to KG.
Not even in his own dreams is Hayward even close to KG.
Well to be a little more fair, Hayward is in his prime and KG never did better than 19 and 9 on the Celtics. His second best year was like 16 and 8. But he is a legend and Hayward is not yet. And KG absolutely instantly changed the culture.
Yeah but KG had already proved that he was a 22-24 point, 12-14 rebound, 5-6 assist guy back in Minnesota when he was a #1 option. When he put up 19/9 in Boston it was as a second option - he willingly took a back seat to Pierce because he was always a bit Lebron-like (unselfish to a fault). His game didn't drop off, he just deferred more to others. He also won DPOTY in Boston and was among league leaders most of his career in both rebounding and blocks.
Hayward by comparison averaged 22 / 5 / 3 last year in Utah as the #1 option, and don't be surprised of those numbers drop next year when he's playing second fiddle to Kyrie. Hayward also didn't rank among league leaders in any other categories, and is nowhere near the defensive player KG was. Scoring output is literally the only single area in which Hayward can even begin to compete with KG - Kevin destroys him in every single other category (except 3PT shooting of course).
As I said Hayward is a very good player - but it's very clear that this offense is his top talent, and he doesn't really do anything else at an elite level. KG was an elite scorer, passer (for a big), rebounder and defender.