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I’ve worked from home way before this pandemic. I make myself have a routine. Wake up the same time, get dressed in “work clothes” and go walk the dog. I usually work in my office but sometimes I’ll go to different parts of the house or I’ll go to a coffee shop etc. I’m way more social having the flexibility means I can have lunch with my friends and partner during the day
Agreed with you, OP. However, it is a very personal experience. Some people just feel perfectly fine working from home all the time and I think we need to strive for a society where people can choose.
Similarly to you I would prefer to work 2 or 3 days (so a bit more) from home, but I would not want to work all work week from home. I want to see my colleagues, I want to be able to see their body language, and how they dress, and all the little things they might be doing around the office. For example, we used to bring sweets or other traditional treats to the office as our team was insanely international. After work randomly a group of us could go to have a pint, or we would have lunch together etc. None of this is possible when you are working from home.
Not everyone wants or needs such interaction with their colleagues and forcing them to travel to the office when they can do all of their work from home seems silly and counterproductive. This is why people should be able to choose. >

I have a profession that allows me to work from home, and I have done so for 10 years now. 
I understand what you’re saying and I agree to some extent. The thing that really boosted my inspiration and motivation for the day was getting a dog. I now start my day with a long 1 hour walk with my dog and then I come back energized and inspired to do my work. 
I am very fortunate to be able to do this of course, and I know not many people have the luxury to choose; but, my point is: Yes, change of scenery is important - but it doesn’t have to as drastic as “getting dressed and leave for work”, it can be something as simple as going out for a walk. 
I also don’t miss having colleagues or people to chat with. However, I’ve always been an introvert so that works just fine for me lol >

Anything can be overrated if you say its overrated. 
Breaking Bad? Overrated show. 
Sex? Kinda overrated tbh. 
Having a shit ton of money? Super overrated. 
The feeling of satisfaction after one of your long-life dreams comes true and you attain true genuine happiness? Overrated af.