Samira is not Katarina
We all hate supports who stand behind us and thus, make it hard for us to do our jobs, but I've been noticing a contingent of support players who do the opposite. There are Leona players, and other tanky engagers who essentially spend the entire early game dancing in front of the enemy turret, running into obvious traps, and blaming you when that inevitably leads to their death. They will dive full health enemies who have both summs, and it's actually your fault for not following up.
It seems like because they're superficially similar, non-Samira players have this perspective that she can sort of blink in and out of fights and delete people without a thought, like Katarina. But the fact of the matter is that Samira can only dash TOWARDS danger, not away from it. She has no escapes. She has an abysmally short range. And finally, she can't use her ult at will. This means that overcommitting when the jungler is waiting nearby is almost always a death sentence unless you're already snowballing. As a result, you have to be careful and AVOID FIGHTING ON THE ENEMY SIDE WHEN POSSIBLE.
Everything I described also means that if you do happen to get ganked or give the enemy an accidental double kill, coming back online is like climbing mount Everest. You can't slowly KS from safety like other ADCs.
But these supports don't seem to understand this. They have no regard for you, your position, or your cooldowns. I've seen Kat players get rewarded for playing poorly because she has so much mobility. It seems like these support players view Samira in the same way.
What do I do when I get this kind of support? Eventually, they get angry and leave the lane, essentially forfeiting your early presence and ensuring that you remain irrelevant for the first half of the game.