Hi ubi
It's not quite as against the grain as you suggest. It is normal industrial relations practice where an employee is accused of bullying or where an employee is a possible danger to others to suspend them from the postition while an investigation takes place. Sometimes, it is felt that a proper investigation cannot take place with the person in situ. It has to be stressed to the employee that the employer is making no judgement, but is taking a precautionary step because of the serious nature of the accusations.
It is very unfair to an innocent person who has been unjustly accused. And it would be wrong to do it if it was felt that the complaint was vexatious. But in the case of suspected child abuse, it would be a much greater wrong to leave children at risk.
It's a tough one and there is no easy answer.
Brendan