...interaction and relationship is transactional

Your job/career only values you for what you produce for them

That's why you have an employee number and productivity goals

Fall short of their desired productivity and your worth to them plummets

Same with a gf or wife

The transaction is how you make her feel and provide for her 

Fall below her expectations, even if you were once well above expectations, and she'll start looking for her exit

That's why in divorce the alimony the guy has to pay her is to sustain a lifestyle she was "accustomed to"

Confirms the marriage was a mere transaction that she doesn't want to end until she finds a new man for a new transaction

It's even true for those you don't think it applies to...your parents

The transaction is they raised you under the expectation that you'd be there for them when they got elderly

Once you accept the transactional nature of all relationships you'll never be disappointed or surprised if you get ghosted, replaced, or even betrayed

The transaction was over

You're not innocent in all of this either

You've most likely done it to others

I agree with you on a general level. But the part about your job "valuing" you for what you produce for them is hilarious. Yes your output matters but there's just so much nuance that wasn't covered. Try having to waste your own time and energy to identify, demonstrate and subsequently clean up the ineptitude of someone else (because their inability to perform standard and basic checks ended up impacting your work) before watching that spastic get all the praise despite fucking up your work.