[atleastoptimal]

Google's willingness to abandon so many of its projects may be disappointing but to me it's a positive signal regarding their ability to avoid sunk-cost thinking, which is the #1 killer of mammoth companies.

[nicbou]

You could also read it as their incapability to iterate towards a successful product. They have become too big to try.

[dikaio]

Or there inability to keep an already successful product successful.