I'd be willing to believe that removal of a license file could be accidental. However, what is being discussed here is wholesale replacement of a license notice in multiple files, which is much harder for me to believe is a mistake made out of ignorance or stupidity.
I could easily see someone who hasn't actually read the license and not knowing anything about software licenses other than that he needs Googles doing this.
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I'd be willing to believe that removal of a license file could be accidental. However, what is being discussed here is wholesale replacement of a license notice in multiple files, which is much harder for me to believe is a mistake made out of ignorance or stupidity.
I could easily see someone who hasn't actually read the license and not knowing anything about software licenses other than that he needs Googles doing this.
At Google having something replaced wholesale is more of the norm than not.