Which is exactly how most of these people feel when given auto-bombs, varying difficulty etc.
I do not take these statements out of my ass. I work part time at a store that deals in retro games, has a café and an arcade with fighters and STG's. It's absolutely wonderful.

The most popular shooters are without a doubt; Ketsui, Daioujou and Battle Garegga. And when i say popular i mean just as popular with the maniacs (myself included) as with the casuals who credit feed.
None of these have any sort of extra leniency whatsoever.
The ones who prefer Deathsmiles, ESPGaluda, DFK are mostly the same types of people who like Touhou for their "characters" and "story".
Deathsmiles is popular with this crowd only for the perceived absurdity of "cute witches" dodging large amounts of bullets.
And of course; Mary the Cow.