I view economics as the gating factor. If, as you posted downthread, you don't have lifetime financial security, don't drop your tenured job. This is like the

I view economics as the gating factor. If, as you posted downthread, you don't have lifetime financial security, don't drop your tenured job. This is like the preflight "put on your own oxygen mask before you assist others with theirs" instruction. IMHO, you'll be far less able to contribute if you're scrambling to pay basic expenses.