200g is indeed a lot, but some in some occasions go for it. I probably should have wrote that the minimum is 60g for some people. They're extremes, the more "usual" usual portion is probably in the range 80-150. This makes it hard to make a consistent measurement device.
200g, wow. Someone is very hungry.
used to be 90g when we had 3 courses per meal (primo, secondo, formaggio/frutta)
150g nowadays if y only have one course and are hungry