As a member of a "professional" structure and a relatively new grad, you're not wrong on either account. I sit on calls all day with people 2-3x my age that swoon over WFH because they get to do their kids school run and don't have to make small talk with Sue in HR or whatever, and I'm sat here thinking that I haven't had a real, none work-related conversation in months outside of my 9-5.
In my last role I was on the football 5-aside team, got to sit around during breaks chatting with other people shooting the shit, went out for pints after work, made friendships with other engineers that were all very similar to me, and travelled around meeting new people in new places. Now I barely speak with anyone socially at work, if at all.
To add to that, as someone who's not very well financially endowed, meeting people outside of work is almost harder than in. Sure I can join the local Pokémon Go club free, but I care nothing for it and likely wouldn't share anything in common with the people there. I can join my local hiking or chess group and be paired up with a load of retirees, or coding club where I go a do something that I get enough of in my 9-5. Whereas, I want to train at my local rugby club? £300 a year, not including everything that goes with that like kit. Meet people at the climbing gym? £80 a month. Go for a drink on the weekend? Maybe £60 for the night, £40 if it was a cheap pub. Half my take home goes into rent, a quarter into bills/car/food, and I'm left with a final quarter to weasel some away into savings and perhaps see my friends on a weekend once a month, or go to a gig once a quarter. God forbid I want to travel anywhere exotic.
I spend most of my days at the moment considering whether I'm suffering from sunk-cost fallacy, and I should scrap the 8 years and £60k+ I've spent on education to go and become a bartender or garden landscaper. At least I'd get to talk to some people that aren't on a screen, and I'd see the sun every now and again.