This is useful on github because issues are sometimes very large and are "managed" by the maintainers, but problems here should be very small and take at most 6 hours of working time to solve and should not require interactivity or management. Can you link to a specific problem (as an example) where you wanted to use this type of feature?
Which clients have implemented alt tags? The alt tag for the root event below (kind 1971) doesn't work on any of the clients I've tried. nostr:nevent1qqspqeucfan0arj3l8hfj37tpnwdrz45m0defp5p3g9y9833pzzelqsppamhxue69uhkummnw3ezumt0d5pzpkg3j83suqzyfw2zcr5zet28pve279chvnpzwklwp0vexal06sr4qvzqqqqqqyckenwu
Alt shows as Problem Tracker Event on gossip