If you know how to create a bot, then you know how to make it tell you that it is a bot. I accept the general premise of your point, but this particular law is

If you know how to create a bot, then you know how to make it tell you that it is a bot. I accept the general premise of your point, but this particular law isn't asking anything onerous. The societal benefits that come from limiting the ways in which political and commercial bots can decieve the public are just too great to claim this is a bad thing.