Joe Biden Victory speech as US President-Elect though President Trump has not conceded

While US President Trump has not conceded, as per media networks which I think base their projections on results declared by US states' election bodies, Joe Biden is President-Elect of USA, and here we have Joe Biden addressing the US nation, celebrating his victory and talking about how he will govern USA in the coming years:

Joe Biden addresses the nation after election victory, https://www.youtube.com/watch?v=eolEz_jU-vs, 24 min. 19 secs, published by CNN on 7th Nov. 2020.

Joe Biden's speech makes no reference to Trump not conceding, nor does he reference legal challenges which Trump campaign says it will make (or has already made, in some cases perhaps).

Vice President-elect Kamala Harris delivers speech ahead of Joe Biden, https://www.youtube.com/watch?v=Xt8VvrdxzHo, 11 min. 35 secs.