I think it's worse than that - they are well into the stage of growth where privacy and reliability are just marketing deceptions. Some other recent data points:

- They suddenly weakened a privacy setting, and even exposed some client IPs for good measure. - https://news.ycombinator.com/item?id=33375424

- Yesterday they decided to throw up a big modal advertisement for a bulk plan at login, even to paying customers. Note that they chose NOT to do this for the aforementioned privacy-weakening change. - https://old.reddit.com/r/ProtonMail/comments/yj5m59/pm_visio...