Yes, BUT: Ubisoft's is not actually a click through and the amount of text on it means they show it for quite a long time, with no way to click past, and THAT is fucking obnoxious.
I'm quite glad those warnings exist, don't get me wrong. I am not en epileptic, please do not try and force me to read your 3 paragraphs about epilepsy kthnx.
Blame the lawyers then. I imagine very few games do it out of genuine concern for those with epilepsy. Accessibility is an after thought as well for many devs.
I personally applaud any company that is attempting to increase accessibility and chooses to put up warning signs. I can press an extra button or two. It’s not the end of the world.