Compared with today, on average, they did.
There's a generation of people that 'typ lyk dis'.
So yes.
Your point is less persuasive than you intended. You complain about linguistic ambiguity, but then you show an example of sensible spelling reform.
that example is regarding syntax, and is actually no worse than any other
Your point is less persuasive than you intended. You complain about linguistic ambiguity, but then you show an example of sensible spelling reform.