> it's going to make him radioactive for the next gig

No. A couple of more questionable companies may choose to stay away, but the majority of companies would love to have Tim on board. Even if just for a few years or part-time.

Most employees and owners think of themselves and their company as good so will not be concerned with having a man of moral as their employee. Not that they all are 100% "good" but most think they are.

Also, Tim Bray is well respected and most companies know they can gain a lot by him helping out, and they know that.