Firstly, the Verlyrons are one of VERY few houses who weren't already represented in GOT. Especially ones with any prominence and screen time. The fact that they made any house of color is a marvel in and of itself
Secondly, Daenerys Targaryen was a minor when she was sold, married off, and subsequently raped by Khal Drogo. Feel free to ss your complaints about minors and such then
Thirdly, Sansa Stark was a minor when she was forced to marry Joffrey at the behest of the king. Feel free to ss your complaints about minors and such then
Thirdly, the same Sansa Stark was still a minor when she was sold, married off and subsequently raped by Ramsey Bolton. Feel free to ss your complaints about minors and such then
Fourthly, Tommen was a minor when a grown ass woman who was slated to marry his brother was sneaking in his bedroom at night, sexually abusing him, and forcing him to lie to his mother. Feel free to ss your complaints about minors and such then
Fifthly, good writing, plots, and storylines will have uncomfortable moments because it makes for more believable content and allows you to have real emotions for fake characters.
As I stated, you have bad takes. And its probably because you ain't really paying attention now nor did you pay attention during GOT original run