“Worse than expected,” depends largely on the individual and what they were expecting. It comes down to expecting one thing and being disappointed in the outcome.
People who expected him to be an ally of immigrants are disappointed in his border policies.
People who expected him to fix Trumps “easy” trade wars are disappointed in his trade policies.
People who expected him to support labor are disappointed in his ban of the railroad workers strike.
People who expected him to champion human rights are disappointed in his support of the IDF.
He may have met your expectations and the expectations of the majority of Democrats. Biden’s 2020 victory depended on several groups who only showed up because they hoped that he would address their specific concerns.