I think implementations are more often killed by technical debt rather than products or brands tbh. Although at that point I wouldn't call it technical debt. I

I think implementations are more often killed by technical debt rather than products or brands tbh. Although at that point I wouldn't call it technical debt. If you've a million lines of spaghetti code, then you've a million lines of spaghetti code not technical debt. I.e. a camel is a camel. It's not a horse with technical debt.