You can post videos in your posts, still, no problem, and that will not be taken away (Embedded video has always been limited to upgraded members, by the way). Just not in the sigs.
Botspammers are getting harder to fight, too, and there are now techniques to evade CAPTCHA, even.
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. “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche
"We can judge the heart of a man by his treatment of animals." - Immanuel Kant