Oh, well head in the sand there Adios - if lots of senior crew (trainers et al) are leaving, that means a severe lack of experienced capts to train upgrades and new hires, which means no money earnt for new hires and no flying.
As well as old hands leaving for pastures new, many potential upgrade experienced FO's are sat on offers of employment elsewhere and are biding their time to have course dates confirmed at the new employers, so they won't be upgrading.
No new aircraft coming/No expansion/Lack of upgrade material - sorry, but anyone joining RYR now would be merely looking to get a rating earning very little money, and a lack of hours on type which means you will be a poor commodity on the job market. Good news it aint. Sadly and ultimately it could mean redundancies with time.