Probably good advice . I thought the bacteria in the soil would break it down.Personally I wouldn't compost it , the spores can live in the soil , I would throw it n garbage inside a garbage bag and piss it off
There's nothing more terrifying than finding a single dead leaf in amongst a cola with otherwise perfect leaves. The dread is a heavy burden.Disappointing? Yes, but so long as you learn from it, it ain't a wasted experience. Remember the signs of there being an issue ie Dead shade leaf., remember how to manage it safely. Use it all as a learning.
"Stupidity is doing the same thing over and over but expecting a differing result" Don't do that.