[sashk]

It was worth it until large hack attacks which stole database of one of the mailing list company (forgot name) -- then spam started pouring on many-many legitimate addresses...

Only downside, is when company merges or renames: if it merged I end up with to accounts which have half of the history; if it renames -- hard to remember original email (recent example wayfair's old name was something else).

Now, I'm switching to single email -- it's just simpler