Is public speaking really that bad for introverts? I always felt that even though it sucks the life out of you, it's only for an hour, and gearing up for one h

Is public speaking really that bad for introverts? I always felt that even though it sucks the life out of you, it's only for an hour, and gearing up for one hour life suck activities is a pretty common thing we have to do. I mean, would you rather get invited to a party and spend 4 hours socializing with strangers, or give a talk at a conference for 1 hour? Guess it's different for each person but for me the party is worse.