that is one perspective that you could use as a reference about showing off your big gain publicly , but yes of course as you have said on the other side there is a perspective that showing off the big gains motivate you which is makes sense.
bad guy always there , when you show your 100k usd dollar winning for example , those bad guys always have an intention to rob you or hack you if you won it online. there always two sides on anything , a little bit risky doing this.
but it is always up to you.