> ClimateDepot.com is the website of the Committee for a Constructive Tomorrow (CFACT) employee Marc Morano, a conservative global warming denier who previously served as environmental communications director for a vocal political denier of climate change, Republican Sen. James Inhofe.
I think the parent poster was being sarcastic; either way, you're engaging in an ad hominiem attack.
Wouldn't it be better to point out that it is normal for animal populations to fluctuate, or that this is likely a transient phenomenon? Perhaps you could find a study or two to buttress your view?
Your comment is more likely to alienate people than to convince them, though perhaps your objective is to improve your status among like-minded people, rather than to engage with an outgroup.
Does that really matter if they lose their habitat? No matter how many of them there are, without a place where they can thrive, the bears will just die off.
https://www.climatedepot.com/2019/03/05/study-polar-bear-num...
So, don't worry!