Via warmshowers I've hosted people who've had their tents set on fire (with them in it) and one nursing buckshot injuries - all since the hunting season finished in January.
Lipu reported 113 fatalities in 2015, up from 32 in 2014.
I suspect that they mainly shoot one another, but even so.
Someone messing with my tent just for a laugh is the scenario that would most bother me. Someone setting fire to it is a risk I hadn't even considered, but in a lot of ways is an obvious one.
Yup - the Italian Adriatic coast north of Ancona can be a bit naff - Ive done it a couple of times - but its relatively flat, easy riding and the sea is there for a quick dip every now and then if you can find a spiaggia free of beach chairs - Ive always scurried a bit to get to where I wanted to be to start my proper tour from
A couple of times? Chuffing heck I always had you down as a glutton for punishment. ;-)
There's a bike-friendly treno regionale that runs all the way down the coast.