I find it more damaging (from PR point of view) to ban someone because he said something "bad" about your product on other forums than let it slide. I understand that partly they may fear that person would post bad things there too but other than that is just a "reaction". Doesn't actually do anything than show that they are upset. Now if the damaging information is also false (because there is only an AND not an AND/OR) might be understandable but if the damaging information is true or honest opinion after good research/testing...

If I would be ED I would ban VEAO (that would be a warning to other teams also)... but I'm not... so...