One of my allotment neighbours plants everything far too close, in clumpy rows, rather than thinning out. He plants too early, puts absolutely everything in at the end of March regardless of what it is.
And digs it all up again at roughly the same time regardless of whether it is finished producing its crop. His whole allotment is clear and under polythene by September.
And does things like growing broad beans under wigwams (less than an inch apart, this year).
His beetroot has been sown like cut and cone again lettuce.
It drives me nuts. It is like watching someone constantly fidget.
Everything he gets off his allotment is very small. Except courgettes. Last year he planted 15 courgette plants. He doesn't eat courgettes.