I think Enrico Chiesa was better than you're giving him credit for, but agree re Dybala.
He often wasn't the established first choice striker or focal point of attack but once he was at Fiorentina he had a great season and then got killed by a serious knee injury. He was basically in his twilight years once he returned.
I'm pretty sure that injury-free at age, say, 25-32 he'd have comfortably been a 20+ goal per season striker in current Serie A and first choice forward for Italy.
I rate him for his young season in Samp, profilic, and later in Viola where he was the man for a season. If he kept up that type of level I would agreed with y'll, that's the level Higauin and Dybala been able to maintain since they were young (until injuries or Big Mac binges).
I know he was slowed down by injuries. But strictly focusing on what he did for the comparison, tho the what if scenario can be acknowledged. And imo what he achieved production wise (only 2 seasons of high level scoring when a scorer was his main skillset) and stayed strictly at midtable or small sides whole career, it's insulting to Higauin or Dybala to say he was better than them.
Still a good player, but would been mainly bench player for Juve back then. But it's also good for him he didn't join a top club in a way, because being the main guy in smaller side paid well back then.
P.S Being first choice for current Azzurri only requires a passport and a pulse, he would been easily better then current options.