Regarding your last two sentences: it’s a chore to do so for 30+ women a day per appwhen it’s mostly a negative feedback loop, the more you do it the more you hate that you’re doing it because you’re trying to be sincere and unique and you’re not getting responses, you try to be generic and you get no responses.
If she has a very basic profile with just the basic info, the only thing you can comment on are the pictures (her) and her info.