This is an extremely mild version of what it feels like to be a minority. Web developers are the most common type of developer. It is simply natural for them to

This is an extremely mild version of what it feels like to be a minority. Web developers are the most common type of developer. It is simply natural for them to equate "developers" and "software developers". Out of sight, out of mind. It's not a hostile thing, it's not something people necessarily want to do. But it still happens. It's a human thing.