Is there any evidence for that? While I find the letter very reasonable (and the question of whose computers he used is irrelevant to the key point), everythin

Is there any evidence for that? While I find the letter very reasonable (and the question of whose computers he used is irrelevant to the key point), everything suggests that Allen and he created "Micro-Soft" with goal of making money. I don't think "sharing the joy" was ever a motivation.