True. But drug manufacturing and actual patents/license shit is very nuanced. They probably own a lot of the actual manufacturing capacity anyways. A lot of industries are like this.

Beers of competing brands are often brewed in the same place. Generic brands of all sorts of consumables are often made in tje same facility. You should see how fucked dog food is. Most brands are owned by a few companies and those are all made in tje same facilities anyways.