We'll see. It looks to me like they're planning for post-Brexit policy - a tacit admission that we'll be out of the EU very shortly - and, given that their one trick has worked very well for them so far, keeping that one trick in play for as long as possible is a sensible move. When their announced main and possibly only relevant policy is to rejoin the EU then a subsequent GE win could easily be sold as a democratic endorsement. Basically, they'll present every GE as a rerun of the referendum until they either win or it stops paying off.I think it's ill judged tbh. 2nd referendum they could just about get away with claiming democratic, in their view at least. Straight revoke, not a chance in hell. Added to the 'tory enablers' label that sank them last time they are just burying further groups of potential voters long term. Whatever way Brexit turns out parties still need to be able to present themselves as democrats.
Personally, I think the LibDems have done very well by stating their position early on and then doing nothing. I'd expect them to maintain that momentum for a while, but after that it's anyone's guess. Only a GE result would tell, polls mean nothing. I'm kinda surprised to see people posting them again.