I find it slightly incredible that someone can describe React as "the most painful, difficult, slow, frustrating, confusing programming experience I've ever had

I find it slightly incredible that someone can describe React as "the most painful, difficult, slow, frustrating, confusing programming experience I've ever had in my 25 years", have a whole bunch of complaints about how bad it is, and how it makes no sense, and how it reduces their productivity by a factor of 100 ... and then also use it for 5 years.