Criticizing tools is excellent. Deciding about their benefits and limitations, learning about when to use them and when not to use them. Sharing experiences so people can make better choices.
Criticism in this way is rare though. Bashing a language to be cool, be part of the hip crowd, make you feel better about your own choices, bashing languages for karma or laughs, bashing languages you have no experience in comparing it with a language you've used for some weeks is not criticism.
Does it help others? If it does, it is criticism. If it doesn't and only makes you feel good after posting, it's not.
[Edit] And the really sad part is that people make language arguments into people arguments, stereotyping people to make themselves feel better.
"Learning never to use them is just as legitimate."
Indeed! I would from my experience not use Z80 assembler - though I like it much more than 6502 - and CP/M as an OS for a social media website.
I have the gut feeling though that your comment might be about Java, which might not be warranted. The last company I've worked for makes >$200M in profit a year and will be sold soon for >$1b - based on a Java platform. The next company I worked for was skyrocketing and sold for $200M - based on a Java platform. Both profited from good performance, stability and GC maturity during high periods of growth and load and a good pool of developers during peak hiring times.
But then we might differ in our goals and evaluation criteria, mine is about getting things done to support a business in a sustainable way.
Criticism in this way is rare though. Bashing a language to be cool, be part of the hip crowd, make you feel better about your own choices, bashing languages for karma or laughs, bashing languages you have no experience in comparing it with a language you've used for some weeks is not criticism.
Does it help others? If it does, it is criticism. If it doesn't and only makes you feel good after posting, it's not.
[Edit] And the really sad part is that people make language arguments into people arguments, stereotyping people to make themselves feel better.