You can improve ProtonMail by rejecting the enemies of privacy and freedom of speech.
In example, removing anything to do with the enemies of it like Facebook and Twitter that I just saw that you have a silly button for them. What the hell happened with this? Who bought you? Who did you hire that made the VERY UN-APPEALING changes?? You are turning this into another Google mail service. #FAIL
OR, at least enable users to turn these 'features' on or off--with OFF as default, depending on the user's privacy-sensitivity--recognizing that not all users are as 'enlightened' as Anonymous.
Andrew S. commented
*sigh* yes, so agree. very disheartening.
I already spent 2 votes on the similar https://protonmail.uservoice.com/forums/284483-protonmail/suggestions/40059430-do-not-use-google-recaptcha (where the comments broaden the scope from "merely" reCaptcha). But I will come back and spend my last vote here if it doesn't pick up speed!
why on earth would anyone want to use this proton mail if you do the same as the "others"? YOU are removing the very unique things that made protonmail attractive to users... PRIVACY