What I see is that the minority of players is using these tools. At least from the data slice presented here.
My conclusion would be the majority of top tier players dislikes the usage (or has own tools ;) )
You can throw all your esports + growth ambitions away, because full automation of Guild2Guild Brawls and Tournaments will only be a matter of time if not forbidden and sanctioned.
We can then simply switch to distributing rewards based on cards staked and leave out the entire gameplay ;)
RE: Brawling and Battle Assistants - A Quick Look