Know how to triage customer issues, explain customer issues, talk with customers, reproduce bugs – both simple and ones that require specific user data from the production environment.
Know how to talk with sales, marketing and product about what they need.
You can go offshore for good software developers, leads and architects.
But you can’t do that with the customer facing tech roles.
They will always be needed to explain the business domain knowledge to developers that are only focused on the technology.
Only being technical becomes the commodity and with remote work acceptance that becomes even more true.