https://www.rte.ie/news/munster/2020/0623/1149215-lotto/
People choose to do this sometimes and I suppose each to their own and if it's million or two it probably won't attract much attention.
More than that and I guess it would. Probably end up inundated with letters from people/causes, phone calls etc...
Is it bringing unneeded attention or in extreme circumstances trouble to let all know of your good fortune?
Would you let the world know?
I wouldn't personally.