I think they were simply remembering wrong.
Maybe some other Eizo had "issues". (it is actually the traditional way of AG for IPS)
The FS2332 and 2333 both have Samsung PLS IPS with Samsung's own light coating solution.
You'll see it if you look after it from close but nothing like the usual brutal IPS coating. Similar to standard matte TN coating. Anything lighter would probably make it excessively reflective (it is a little bit reflective already but nothing distracting). So i think if you can't stand the...
PLS is Samsung's version of IPS. Stating about a PLS panel that it's IPS is not incorrect. And to specify the broader group of IPS as the panel used gives them potential room to switch for other IPS types if they'd be forced to.