No, that's not how it's defined. It needn't be coercive, manipulative, guilting, etc..

Of course if you use a non-standard definition of a word, the things you say about it will sound rather odd.

There is a rich vocabulary in English that allows one to express the nature of effecting a change in another's decision of what to do or accept. Persuasion is one of the most general terms.

I still think you're not acknowledging that people's decisions are very often based on a confluence of conflicting desires and inadequate information. But certainly the case where the desire is clear and the knowledge is complete is not where "persuasion" starts. In that scenario you've already moved on to pressuring, guilting, cajoling, etc..