[pmiller2]

"Sell me on X vs. Y." is a colloquialism. It's just a different way of asking "what are the benefits of X over Y."

[strogonoff]

We’re talking welcoming a stranger sharing the result of their work with “but what are the benefits of your free solution over megacorp Z’s paid offering Y?”.

[whalesalad]

That is your interpretation but not my meaning.