Like Valve they have created products that took over the whole space.
They have a tendency to completely drop things when they don't pick up traction early enough. (artifact, everything Google)
There used to be a Halo around both companies in the 2000s, that was slowly eroded in the 2010s.
They suck at communicating.
They create good products that never see the light of day again (Portal, l4D,Half Life) because their main product (steam, ads) makes so much more money.
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GCP has the same problem as Artifact, where Google bull headedly tries to enter a different type of product/business model (b2b, instead of b2c) without adopting any of the cultural must-haves of a b2c company. (customer before product, service, reliability over speed)
Tensorflowv2 is failing due to a similar kind of stubbornness.
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The scary thing is, if Google manages to pull off the culture change (unlikely), I can see them sweeping both AWS and Azure in the cloud space.