Why do you continue to use D?

[jmh530]

On Wednesday, 3 June 2020 at 20:31:09 UTC, Meta wrote:
> [snip]
>
> Ironically, I've seen ESL speakers use this abbreviation far 
> more frequently than native speakers.

I've seen the abbreviation before, primarily from non-native 
speakers as well.

Below is the first thing that came up when I googled for "s.th"

https://english.stackexchange.com/questions/353395/meaning-of-s-th