Earlier quoted context omitted.
And when that chance is perceived to be particularly high at Google people will act accordingly. Even if you think it's equal, we're probably in a regime of "nobody got fired for building on AWS".
AWS DevOps here (besides my many other jobs titles/responsibilities). When was the last time AWS EOL'd a service? Honestly, I can't remember, and I've been using AWS (S3/EC2 to start) since 2007. GAE, storage, etc could be close to free, and I'll still stick with Amazon; I'm paying for consistency and the long-term lifecycle of AWS as a system.
When was the last time Google Cloud Platform EOL'd a service? I mean, if you are asking about AWS and not Amazon, you should ask about Google Cloud Platform, and not Google.