If you use/consume 4 of anything and 3 of those things are a bad experience, I think it's reasonable to have a bad opinion of said thing.
Imagine buying 4 Cokes in you life and 3 of them being flat. Most people would probably consider Coke a bad product at that point, even if the sample size _is_ small.
Or imagine going to a restaurant 4 times. and 3 of those times getting food poisoning. Most people would probably consider it a bad restaurant.
I don't even know if most people would even manage 4 visits after getting food poisoning twice, let alone thrice.
Imagine buying 4 Cokes in you life and 3 of them being flat. Most people would probably consider Coke a bad product at that point, even if the sample size _is_ small.
Or imagine going to a restaurant 4 times. and 3 of those times getting food poisoning. Most people would probably consider it a bad restaurant.
I don't even know if most people would even manage 4 visits after getting food poisoning twice, let alone thrice.