Store of value of future purchasing/consumption of goods and services. Leave any other currency out of the equation.

To press on my point, people keep making fun of the Bitcoin Pizza guy. That shows the incentive is not to use it but to hodl it. Nothing wrong with that, but that will drive other competing currencies to be used as MoE more than Bitcoin.

LN is a pain to work with, and I'm saying that as someone that uses it and runs a public node. I would say that for over 99% of the people they would need to rely in a custodial service to use it.

I recently posted an article reflecting on some of this.
My core challenge to the post is that in my opinion, the lack of usage adoption is a result of design decisions, particularly supply inelasticity.

It is the inelastic supply that makes Bitcoin a Store-of-Value asset but nullifies the possibility of it becoming a widely adopted medium of exchange.

This is for several reasons, but primarily because the inelasticity makes it a reflexive asset => it will be volatile against goods and services. Volatility makes it really hard/impossible to run a business with it as the MoE.
On the other hand, the inelasticity benefits its SoV qualities which discourages getting rid of the asset.