I feel like this Solarwinds breach was a low effort, extremely high reward move, sort of like how Russia only had to spend 100k on ads in 2016 to get a massive

I feel like this Solarwinds breach was a low effort, extremely high reward move, sort of like how Russia only had to spend 100k on ads in 2016 to get a massive reach on Facebook. I wouldn't think say this is the most sophisticated attack, this sounds more like they are embarrassed they were hacked for a year before they realized it and have to save face