Lotus did a good job shooting itself in the foot. It's easy to second guess in hindsight, but it always amazed me that they didn't have any Windows story at all for their one major product, Lotus 1-2-3, until 1991 or 92. (And even then it was amazingly buggy.)
(And they did have multiple text-mode PC versions, VMS, Unix, Improv for NeXTStep...)
(And they did have multiple text-mode PC versions, VMS, Unix, Improv for NeXTStep...)