I also support this opinion (as I already did in some other thread).

Please, Larian, do not leave this humiliating 'good' ending for Astarion. As for the whole playthrough (at least during Act 1 and Act 2, as I also believe that Act 3 is really lacking more connection to companions - almost no cutscenes and camp conversations in comparison to previous acts) you have builded such a great character with great development. And all he gets in the end is mocking from his companions (and possible lover) when he is about to burst in flames.

Sure this current ending is good, if you do not care about him. In my 1st playthrough I have almost never took him out of the camp. I have even missed some parts of his personal quest, so it was quite fitting, just standing there, while he run from the sun.

But now, I am romancing him and I am really demotivated by this to complete the game. Because I know the scene will be the same. That after all that care and support my character showed him, she will still be standing in there, as he runs for his life and (possibly) Gale mocks him.

It is really awful to have this as canonical good ending, there should be some variations depending on your relationship with him.

Well, I am leaving my current playthroug to 'hang in the air' with hope, that Larian will listen to our plea, like they did with Karlach's fans.