"...Te'o's sexuality is still a concern for NFL teams. "
He has no evidence.
Brendon Ayanbadejo of the Super Bowl Champion Baltimore Ravens and Chris Kluwe of the Vikings are outspoken advocates of special rights for fashionable groups.
Doesn't seem to matter to their teammates or employers, who only care about winning games and making money.
If Te'o can win games, no one in a decision-making capacity cares.
If he plays in the NFL like he played against Alabama, he will be unemployable even if he were as enthusiastically heterosexual as Antonio Cromartie.