I doubt they’re being ignored so much as it is much easier to prosecute crimes where there is concrete evidence. Al Capone wasn’t convicted for countless murders etc, but tax evasion.
At least once they’re incarcerated, it’s not impossible to try them on other charges

How can one of the most ubiquitous and popular ales in the UK not be financially sustainable? What did they do to that brewery? Lump it with a bunch of debt or something and write it off?