Who's rule of thumb is this? You are trying to quantify the unquantifiable. There is no timeline for developers like this nor any way to gauge someone's ability off of time alone. Good luck with your long journey to senior dev though! Might never be one with this attitude though, not very senior dev like.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Who's rule of thumb is this? You are trying to quantify the unquantifiable. There is no timeline for developers like this nor any way to gauge someone's ability off of time alone. Good luck with your long journey to senior dev though! Might never be one with this attitude though, not very senior dev like.