I think you are confusing can’t with didn’t. In this era of auto correct and typing on mobile devices a bit of leeway should be given to minor spelling mistakes.
Yes I am sure trying to spell losing got autocorrected to loosing and doesn't instead come from low level understanding of the English language.
You propose stupidity as a plausible explanation for the error. It is indeed plausible that the person is stupid. Another plausible, and more likely, explanation is a minor mistake. One should try to use the most generous interpretation in such a situation. We don’t actually know the person in question so harsh judgements are not justifiable.
I’m curious how the broad east would compete in writing