Hey, thanks for the feedback on the ping system!
Regarding your complaint about death pings being blocked by spam protection from when you were alive, I completely agree. We'll make a change in a future season to ensure that doesn't happen.
Regarding pinging enemies, it would be difficult for you to know this without sitting right beside another player on your team, but we always show the enemy ping visuals regardless of spam protection. First the sound effect gets quieter if you've spammed enough, then it and the voice over will be muted for your team if you've spammed too much still. We also always do that for locational pings (default pings, double-tapping the button), so at the minimum your team will see these.
So if you're spamming ping constantly and you sleep someone and then get the warning when pinging them, your teammates will still see that enemy ping icon with the sleep overlay. They'll even still see it on the border of their screen if...
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