Based on the provided information, it is not possible to determine the presence or portrayal of LGBTQ+ characters and themes in 'The Kid, 2019'. Therefore, an assessment of the net impact cannot be made.

Currently, there is not enough information provided to determine the presence or specific portrayal of transgender characters or themes in 'The Kid, 2019'. Therefore, based on the absence of relevant details, the film's impact on these themes is assessed as N/A.

The film features Sara, who is primarily a victim and does not engage in direct physical combat against male opponents. No female characters are depicted defeating male opponents in close-quarters physical combat.

The film features historical figures Billy the Kid and Pat Garrett, both of whom are portrayed by male actors, consistent with their historical gender. No established characters from source material or history appear to have undergone a gender swap.

The film features historical figures Billy the Kid and Pat Garrett, who are portrayed by actors of the same race as their historical counterparts. Other main characters are original to the film and do not have a pre-established race to swap from.