It's not bizarre, it's a common pattern that people understand and easy to implement. Most people will accept it for that reason even if it's not ideal. I have

It's not bizarre, it's a common pattern that people understand and easy to implement. Most people will accept it for that reason even if it's not ideal. I have a lower tier that users can move to which is an effective filter to see who really wants to move forward, since our set up & initial support costs are relatively high also on trials. So that works well, even if we make a loss on smaller tiers it's a sign of commitment.