He mentioned that he brought it up in the standup. The standup is when you announce blockers. Was no one else in the standup listening when he said he was blocked? That's when someone goes oh here is what you do.

The standup is for blockers to be announced. It's the 3 stage of the standup.

Sounds like poor management, don't blame the new guy, he did say he was blocked in standup. How is he to know who to ask. Whose time can he impinge upon. It might be he asks someone who helps him but he gets in trouble because he now took up that persons time from something else.

The manager should see oh he is blocked, I'll assign so and so to help unblock him.