When getting stuck in most online games, support will usually move you to safety. The issue here isn't so much getting stuck, but rather intentionally getting stuck. Whilst everyone on the Distant Stars expedition should have been well aware it was likely a one way trip, in many other cases, it's all to easy to get unintentionally stuck inside a system.
I'm not saying whether or not Frontier should actually step in and help, just that in other online games when people get trapped due to game mechanics - support will usually help out. So in this case, isn't it really a question of whether Frontier should be helping people that intentionally got stuck?
(Assuming Frontier actually did move them in this case - as there are in-game ways to get back).
The "normal" support methods don't apply here though, as much as FD wanted to reward the efforts of the expedition as many have said;
they broke thier own rules. That chap that got stuck on a planet because FD's ship recall system borked, he decided to RP his way out of it (fair play, it was riveting), FD
at no point stepped in to say "oops that's our bad, our ship pathfinding wasn't up to the job so here's a new ship". It was only at the very end they stepped in, in the least obtrusive way they could (iirc).
Same for that guy who was rescued by the miner.
Every time you get into your ship, you make a choice, and if a choice turns out that you have to sacrifice to fix it, then that's what you MUST accept, without any intervention from the fairies.
In Eve Online there is a rule, it's THE #1 rule "do not fly what you cannot afford to lose", and while this game is not Eve Online, the same is true, if you undock, you accept any consequence that happens that is not directly related to a game bug / issue.
This expedition was clearly entered into with eyes wide open.
Pretty much since exploration became a "proper" thing, rather than just a jolly around the local systems, people have been pleading for a way to KEEP YOUR DATA after ship death to be able to claim those tags.
and as we know FDev, have absolutely, resolutely and REPEATEDLY said "NO".
and then they go and do this.
Classic hypocrisy, and undermining the acheivements of the players who did it legitimately.
Here's an idea: Put them ALL back with the ships in the same state (even the ones who sacrificed), and let them see if each of the other ships empty their remaning fuel into ONE ship, whether that's enough to get HIM /HER back. If they can do that, then the entire group gets to keep the "discovered by expedition" tag, otherwise, tough, no tag because in reality no-one would know you got there.