Global internet services outages, caused by incorrect using of BGP routing, announcing routes through BGP to autonomous systems (routing networks), with BGP route leakage, still possible. Also outages due to other issues possible.

Some of the recent massive global outages:

https://status.cloud.google.com/incident/zall/20013

https://eminetra.com.au/people-cant-vacuum-or-use-their-doorbell-because-amazons-cloud-servers-are-down/74505/


https://blog.cloudflare.com/a-byzantine-failure-in-the-real-world/


https://blog.cloudflare.com/analysis-of-todays-centurylink-level-3-outage/

https://www.bleepingcomputer.com/news/technology/centurylink-routing-issue-led-to-outages-on-hulu-steam-discord-more/


https://www.bleepingcomputer.com/news/technology/ibm-cloud-global-outage-caused-by-incorrect-bgp-routing/


https://blog.cloudflare.com/cloudflare-outage-on-july-17-2020/


https://www.bleepingcomputer.com/news/technology/bgp-route-leak-causes-cloudflare-and-amazon-aws-problems/

https://www.datacenterdynamics.com/en/news/bgp-route-leak-causes-cloudflare-outages-aws-issues/

https://blog.cloudflare.com/how-verizon-and-a-bgp-optimizer-knocked-large-parts-of-the-internet-offline-today/

https://blog.cloudflare.com/the-deep-dive-into-how-verizon-and-a-bgp-optimizer-knocked-large-parts-of-the-internet-offline-monday/