Out of curiosity, why so many rotations away (and back to) BW? Most people I know stick with a single password manager almost permanently, or at least unless their manager has some kind of earth-shattering vuln announced that just shakes their trust enough to move.
I'll pass it on to the team! The designers and product people put a ton of work into making both RB and Tunnelbear delightful, and I'm glad it's making a difference :)
Hardly locked in.