I’m not sure you can avoid having fellow flutherfolk wish you well, nitwits though we may be. But you can certainly avoid or ignore those good wishes by several means that have been suggested above.
It’s not that the points matter so much—they don’t. It’s just an occasion for paying a little special attention to long-time contributors.
In much the same spirit, people give birthday cards that say things like “I love and appreciate you” even though love and appreciation have nothing whatsoever to do with observing an arbitrary date on the calendar that just happens to signify a cyclical recurrence of time markers since the person’s birth.