They have a bad track record. Look at the controversy section of their wiki, and this is just for GSK.

https://en.m.wikipedia.org/wiki/GSK_plc

And? If 95% of the medicine released didn't turn out to be a mistake or the company lied why wouldn't you trust the company.

All you're doing is saying that bad things happened instead of comparing it to the number of non bad things.

The one hell of an argument. The upside of it is that nearly every terrible thing seems a lot less bad.