Just old fashioned harmless fun, or it was until the “taking offense” industry when big time.
Yep, topical and current political stuff has always been high on the list for costume parties, parade float decorations, etc. Didn't matter whether a person was supporting or lampooning said politician, political topic or whatever - it was considered to be protected speech or expression and rarely drew public critique.
The change between then and now is chilling, because it is a direct measure of how cultural Marxism has tightened its grasp on the country.