Ryuutaro definitely was ready to buy that 'an idiot' now. He wasn't even sure how Gokudera being a subordinate (of that kid? Really?) had anything to do with anything.
Ryuutaro warily watched Hayato, expecting some outburst. That wasn't good, not in that condition.

"Mind just letting us pass? We're in a bit of a hurry", he said to Lambo, not really expecting it to be useful.