They keep saying there are no Tékumel adventures

I keep hearing that there is a dearth of adventures for Tékumel, but when I searched online sources for adventures, I was pleasantly surprised by how many well-crafted scenarios were available. This post is a survey of what's available with a link to comprehensive spreadsheet at the end. If you're talking about published adventures, 'They' would be right. Three adventures were published, one by