didn't get your last remark re bandwidth. If 1TB alone costs $90 at both GCP/AWS, how is 3TB + 2 CPU instance for $20 is a poor choice?
I'd highly recommend people check out the performance of the High-CPU Droplets for any compute-bound tasks like CI/CD, batch processing or active front-end web servers.
Someone from our team put together a comparison of compute series machines which includes GCE and you can see the price-to-performance ratio here is pretty solid for DigitalOcean: https://imgur.com/a/o16t2