aporigine
The slow blade penetrates the winter squash
I think some style guides are more flexible and consider “the 1980’s” to be appropriate.
Also apostrophe to indicate multiple lower case letters, e.g. “Mississippi sure has a lot of i’s”. And there’s weird inconsistent cases like “these are the do’s and don’ts”.
Personally I think you just write it (informal content) the way that feels right as the interwebs are screwing up formal grammar rules anyway due to content written by people who don’t know what a style guide is. If enough people violate a rule then the rule eventually gets rewritten.
Dissenting opinion. The input of illiterates, however overwhelmingly in the majority, is still without authority.
I would handle the Mississippi example with italics, i. e. “many is.”
While I say “a lot of”, I try not to write it.
Language is beautiful to me if handled well. Never apostrophize a plural has stood me in good stead.