It always suffered from...
Another inconvenient feature is that it absolutely requires continuous care and feeding by skilled and experienced Teradata types[1], who know and care which, what and how to add/configure as it expands. The alternative is something that looks more and more like a massively overpriced disk array as time goes on.
As a very wise man once told me; Ask anyone in any business what their largest overhead is. If the answer isn't "payroll", they're either an idiot or lying.
[1] Who, when it was trendy, looked and felt like Storage Admins, but were paid in sacks of gold doubloons.