I mean, it's certainly worth trying out for a bit. Even if you don't hang around for long enough to vest much of the RSU, their base salaries are pretty good too. It shouldn't take over a year or so to make up for any RSU you forfeit when leaving your previous job. And you get good leverage if you decide to boomerang later. And who knows, you may find that your preconceptions were wrong, and end up liking the job.