Yes, I’m also finding the strand of this thread about finding a romantic/sexual partner being easier and less stressful than making a friend really interesting. How can this be the case?
Assuming you’re looking for a relationship when dating (though I think that in practice some casual/no strings attached flings can end up being potentially emotionally complex for one or both parties), you’re auditioning someone as a potential life partner, with whom you will (usually) have sex monogamously, usually live with, often buy property with, often share finances with, possibly have children with, possibly be financially dependent on etc etc.
That is a huge deal. Choosing the right or wrong person has life-changing consequences.
Even at the immediate early dating stage, there’s considering whether you’re attracted to the person, whether you want to sleep with him, whether he wants to sleep with you, and, if so, you end up doing something fairly intimate together, which leads to either nice or not-nice discoveries (discovering this great guy has completely incompatible kinks or is dreadful in bed)…
How can this be easier and more straightforward than making a friend over a cup of coffee? The stakes are much lower!