Probably best taking up this issue with the site itself.
But bad paint can be due to many reasons main ones can be:
- Weather , too hot too cold.
- Storage, not rotated, stored for a prolonged period of time.
walk on/site paint/punter paint
is usually a harder shell anyway, I'm not really sure why, but it's known as rec-paint. this could be one of the reasons you were experienced paint bounce issues.