https://instantview.telegram.org/checklist#6-4-2-video-audio-from-unsupported-players :
"If the unsupported widget has an iFrame version, make it into an <iframe>"
And only "Otherwise, mark the object with the @unsupported function."

Here, it is possible to make the video player embeds in an iframe (see my template -- note though that because the parameters are sent as URL GET parameters they don't show up in the IV -- all URL look like they are the same, but they are actually distinct links to the specific videos) and thus they should be made into an iframe, instead of being marked with @unsupported, according to the checklist criteria.

It appears on a lot of pages, e.g. https://www.futebolinterior.com.br/futebol/Atletico-MG/noticias/2019-04/apos-3-derrota-na-libertadores-sede-do-atletico-mg-amanhece-pichada .

As this template does with mycujoo video embeds (e.g. https://www.futebolinterior.com.br/futebol/Paulista/Serie-A2/2019/noticias/2019-03/paulista-a2-fpf-tv-e-tv-fi-transmitem-classico-do-abc-e-muito