Much of our love is YC as a resort itself - so sounds like you're already there on that part.
CL is just a fun/convenient add on. Most of the CMs at the desks and in the lounge are warm and friendly (although sometimes you get some grumps, just like anywhere in the service industry). We save a ton on breakfasts and having that morning cup of coffee ready/just steps away is just such a nice convenience (admittedly, an expensive convenience). We enjoy a beverage or two in our comings and goings, so that part is nice. For evening apps, YC CL ranks high on our list of best / most abundant options relative to the other CLs. While they aren't a meal substitute, we'll often eat a bigger lunch out somewhere and are totally find with light bites to end the day. Olaf Bars in the freezer all day don't hurt either.
We do have some trips where we find ourselves out/about more than not and aren't really around enough to take any advantage of the lounge, which admittedly end up being kind of a waste (if I'm being honest).
Not going to lie (and I'm sorry to drift negative here) - I do worry about the state of CL in the eventual post COVID era. I've seen the quality/quantity of lounge offerings ebb/flow over time during other periods of budget cuts, I doubt CL will be immune. Some fear the whole lounge experience will be overhauled given the shared / buffet food service environment. It's not good energy going down too many "what if" rabbit holes as it's just speculation, but is something that has been on my mind.
But so long as they keep breakfast, coffee/espresso machine, beer, and wine, I'm still game.