This is one of my latest peeves. And it’s more than just a nitpick. When people spell the past tense of the verb lead as lead it really trips up my reading.
And while we’re at it, the past tense of plead is pled.
I suppose it’s confusing since, for instance, the past tense of read isn’t red. Others suggest the confusion arises because led rhymes with the word for the metal lead.
So lead is not like read. It’s more like bleed and speed, which become bled and sped.
Welcome to the English language.
(My photo, taken on the beach at Puerto Vallarta.)