I hardly think that if each of their voting constituents were queried prior to them walking out as a tactive for whatever their constituents might support, if walking out and running to another state was what they expected their political leadership to do, that the results of that polling would be high %'s saying 'Oh yes, run away whenever you feel it's politically best'.
That's kindergarden and gradeschool schoolyard type shit, and even there, most people don't want their kids pussing out. You're telling me you support politicians doing this? You view that tactic as a positive?
I doubt their constituents really care about their tactics. Like, at all.
While I don't know what districts they are from, presumably they are supporting the views of their district. That's generally what you're supposed to do as a legislator. (there are of course cases of greater state or national interest that I could see taking precedence) I really don't care if they walk out, personally.