I know it's not ideal and goes against the spirit of open standards like IMAP - but in the end, it's just implementation details. What's stopping K9 from implem

I know it's not ideal and goes against the spirit of open standards like IMAP - but in the end, it's just implementation details. What's stopping K9 from implementing additional connectors for popular services (such as gmail) that are not available through POP3 or IMAP?