First was banning crypto currency ads specially ICO's.
https://cointelegraph.com/news/facebook-bans-cryptocurrency-ico-ads-because-of-deceptive-promotional-practicesWe know its reason is to stop the scammers and also for misleading advertisements. But there are also good ones that are affected with it. Scared investors will withdraw if they see it came from a trusted or powerful person/company.
Now, #deletefacebook came. Looks like he found his rival and is somehow giving him a hard time.

What are they really? Fame whore? Facebook have been shaking the internet consecutively now. What is the purpose behind all of this? Is the money that he is receiving not yet enough from advertisements and now he wants to look cool?
https://www.theguardian.com/technology/2018/mar/23/elon-musk-delete-facebook-spacex-tesla-mark-zuckerbergWhat else must the crypto world face being dragged by this? Of course we are affected, we are talking about the WWW where crypto is injected and cannot get out and we need those advertisements as far as we could to reach out those people that haven't heard a word about crypto currencies.
If it is a good ICO they will not get affected with this because there are many ways to advertise their ICO. Ot is lo a good step to clean u the mess or shitcoins in cryptocurrency. It is time to regulate ICO to avoid more scammers to made new coins everyday.