Is it an ad-hominem when I get called "a pessimist who won't be happy with

Is it an ad-hominem when I get called "a pessimist who won't be happy with

Is it an ad-hominem when I get called "a pessimist who won't be happy with positive changes in situation X, so further debate is pointless", even though I've presented my arguments for why I'm skeptical of any positive changes in situation X? I feel like it's a dismissive tactic, but would like some clarification.

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