Currently the installer only installs vaapi-driver-intel on Intel based systems. HD Graphics series starting from Broadwell (2014) and newer chip-sets relies on vaapi-driver-intel-media, so if the installer detects Intel GPU, it won't be a bad idea to install both of these by default.
Thank you for this observation. Assigning to Mageiatools for the Installer. CC'ing kernel/drivers for any potential comment from there.
Assignee: bugsquad => mageiatoolsCC: (none) => kernel