I remember pointing this out to someone who said public transportation was unprofitable and his response was "I don't care".

People tend not to point it out because most don't actually care about the profitability at all, it's just a meme opinion they present because they prefer cars and look at it like a competition. Other meme opinions that get used:

- disabled people need cars and you want to take cars away from them! (fake disability advocacy - disability advocates who have spent 10 minutes thinking about this know that disability is a spectrum and that many disabilities prevent people from being able to use cars or they are unable pay for the necessary modifications to be able to drive; also no one said anything about taking cars away from people)

- cyclists are a danger to pedestrians and cars! (rhetorical trick to get people to think bikes pose a greater danger to pedestrians than cars)

- buses are ugly! (so is your car)

- it increases traffic (so does your car)

- not everyone wants to ride a bike/walk/take the bus (no one said you have to)

They say these things even in non-adversarial contexts. Like in a discussion about wanting more pedestrian infrastructure and bike paths, they will say "just use [existing bike path], some of us have JOBS and ERRANDS to run" as if people only walk/bike for leisure. No, you don't understand, I'm trying to get as far away from the horrible drivers with Texas/Florida plates as possible!!