Unfortunately any activity that gives adults access to children can be targeted by those who want to harm children. So that is why good safeguarding practices is so important. It will reduce the opportunity for them to do harm.
And yes, BECAUSE Scouts have had such big scandals in the past THEY HAVE to have some of the most robust safeguarding practices for a organisation aimed at young people. The safeguarding now goes further than most other activities children do as a result. As that article points out the cases still in process are overwhelmingly historic and not current. This isn't to say there aren't going to still be incidents. There will be unfortunately due to sheer numbers of kids but the risk is MUCH MUCH less than it was because they've vastly improved their practices and training to limit opportunities.
If you are an abuser Scouting would no longer be your first choice, because there are other places that would be much easier to offend. As I mentioned above there is a worrying uptick in incidents involving tutors because so many parents are turning to tutors to boost their child's academic achievement - its largely not over seen by an organisation with a safeguarding policy, its often 1 to 1 (which offers the best opportunities for an offender) which goes against scouting best practice and there's no oversight in the sense of being able to easily vent a tutor.
Abusers look for weak links and opportunities. They will seek out the easiest places to abuse. So thats what you should be looking out for - poor practices and poor protocols. Not getting worried about an organisation which has had a scandal and going purely on that to put you off. You look at what an organisation or individual is doing NOW to safeguard.
I know that several of the local high schools have had safeguarding incidents in the last few years. Its not good BUT they have identified the problem quickly, acted to resolve the matter with the swift removal of staff and have acted to stop a repeat. The thing is that on the face of it, it sounds terrible, but its also reassuring because they have acted and haven't tried to cover up whats happened. Thats a change in culture from not to many years ago. Again you shouldn't necessarily see reports of issues as a bad thing - the key is the action and the change. You are never going to stop EVERYTHING. Its an awful thing to say but its a sad reality. What you need to do is limit the possibility and have protocols to deal with it should the worst happen so it isn't repeated over a long period.
This is where I do have confidence in Scouts over so many other organisations.