This is missing the forest for the trees
The issue is not they missed the vote, it's why they did and what that says more broadly about the party's capture.
3 of those house members are explicitly on the board of this AIPAC front group, another 5 of them took money this election cycle.
In the first major symbolic vote since the election, these Dems were prostituting themselves for a front group advancing the interests of an ethno supremacist foreign government engaging in a genocide that just helped manipulate our nation into a war and is seeking to re-escalate it.