Every agent I’ve ever spoken with has seen this simply as a matter of how to pay for the companion space. If T is available it’s XN+GPU, if not it’s the fill IN saver rate. The only recent pushback I got was because they thought the recent December rules change meant I have to be in economy as well to force T-XN but a closer review of the rules put that to bed. But I’ll keep it in mind in case I encounter an agent unwilling to do both