It’s so ridiculous that Alexa routines have basically not advanced in the last 5 years.
Yeah, unfortunately the core Alexa Devices integration doesn’t allow it at this time, but the custom Alexa Media Player integration can. While it’s been pretty reliable for me for the last couple months, historically this feature is one that Amazon has removed or changed frequently in the API used by these integrations. So, I don’t know that I would recommend switching integrations just for a feature that may or may not be reliable.
I’m pretty sure that the Alexa Devices integration and the Alexa Media Player integration both use the same API. So if the AMP integration breaks then so will the AD integration.
the benefit of using the AMP integration is that it will potentially get fixed sooner than the AD integration since the latter is tied to the HA release cycle and the former isn’t. It gets updated as soon as the devs can figure out a fix.