Microsoft Ripoff?

I always hear how Microsoft ripped off Apple original GUI interface, but I didn't realize the depth of it until I went back and looked at Window 3.0. Then I remembered, Jobs and Gates both ripped off the Xerox Alto. [caption id="attachment_1113" align="alignnone" width="502" caption="Xerox Alto"]altost2[/caption]

[caption id="attachment_1110" align="alignnone" width="500" caption="MS Windows 3.0"]MS Windows 3.0[/caption]

[caption id="attachment_1112" align="alignnone" width="512" caption="Macintosh System 7.5.3"]Macintosh System 7.5.3[/caption]