Question

ぴのすけ

The starting point for seling a product would seem to be to convince people that they want it,or,even better,that they need it.

この英文なのですが、

seem to be to convinceは

seem to convince ではだめなのでしょうか。

seem to be Ｃ という構文は知っていますが、このtoが不定詞なのだとしたら、なんとなくto不定詞がしつこすぎるような気が…