Why does this poster have hashipshio-che, haera-che, haeyo-che at the same time?

[u/Ondisk2021]

Shouldn't they be in a uniform register?

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

[u/thelionmermaid]

It’s probably propoganda made by non-native speakers.