Unless you have a core feature that _can't_ be implemented in Electron for some reason (I guess you're writing a game or something similar?), or have some other mechanism for locking your users in, writing a native app in 2018 is just putting your employees livelihood at stake.
It's not cool or fair at all, sure, but hey, us Marxists were telling you this will always happen for over 150 years now, and y'all still acting surprised.