That's generally good opsec, but I'm not actually worried about it very much. If it was 2011 and I was posting with the same nym I use everywhere and that can be tied to my real-life identity, then yeah, that's trouble. At this point, though, being here doesn't signal much about the size of your stash [1]. I'm guessing the vast majority of us are of pretty recent vintage.

[1] It may signal something about your relative state of mental health, but that's not readily monetized.