This is all brilliant of Michael's brilliant 4d chess strategy, never forget that he is a master tactician and a stable genius
1. Further antagonise staff while attrition is still astronomical
2. Damage consumer confidence by announcing there may be strikes at Easter.
3. Try to half-heartedly sell the 'Big Bad Union' story, which is usually popular, except if people despise your company more than they despise the prospect of overpaid layabouts.
4 ?
5 Profit?