AITA for going to bed and leaving my SIL crying over Christmas presents?

We are currently on a ski/Christmas trip with my husband's family. His oldest sister is one of my best friends, and i do try to be supportive, but i feel like every time we are together as a family all of her teenage insecurities come out, and it can be really exhausting. She is divorced which is kind of a big deal in the family. MIL is very against divorce and FIL's grew up with parents who hated each other, but praises his mom for being strong and sticking with his dad.

Adults always open presents on Christmas eve, and it is a huge deal. My MIL is the most materialistic person i've ever met, so i do get why SIL equates gifts to love like she does, and i knew she was going to be the only person not getting gifts from her spouse (except the youngest SIL but she is only 19 and she is also MIL's golden chid) I made sure that i bought SIL a couple nice gifts. My husband went all out this year for me, and MIL always ends up with a ridiculous amount of stuff, so i get why SIL was disappointed. MIL literally made a bitchy comment about SIL didn't get any jewelry and it must suck being divorced.

MIL, FIL, and my husband went to bed right after and SIL was crying to me. She wasn't even talking about the divorce but about how many presents everyone else got. I tried to comfort her but she just kept going on about the ring her mom got and it isn't fair. I finally told her that i can't listen to her cry about gifts and i went to bed.

Obviously it is Christmas today and she is still avoiding me. She said i was judgey and is giving me the silent treatment.