When intuition proves me an idiot

FailedSwitchOperator

$fileNames | ForEach-Object -Process {
    switch ($_) {
        ($_ -match 'Index') { "Use index on: $_" }
        ($_ -match 'Stats') { "Use stats on: $_" }
        ($_ -match 'Backups') { "Use backups on: $_" }
        ($_ -match 'Restores') { "Use restores on: $_" }
        ($_ -match 'Checkdbs') { "Use checkdbs on: $_" }
        Default { "didn't match anything..." }
    };
};