Boeing forecasts as self interest
Of course they are; Boeing are interested in selling aircraft, training engineers and crews and having watched, used their forecast over many. many years they have been reasonably accurate. (Airbus figure are not immeasurably different)
flood the market with pilots & technicians
Tell me where, particularity in Australia, where the number of pilots and engineers are being produced or where people are flooding training organisations for these, or any, jobs?
Are the working conditions, salaries, etc. offered these days sufficient to convince people these careers are well rewarded offering are good lifestyle particularly considering family lifestyle?
It is easy to make bland, unsubstantiated statements accusing manufacturers and airline operators of being anti labour, anti union (which in part maybe they are) however, manufacturers are interested in selling aircraft, airline operators in selling seats but somewhere along the line research departments have to produce figures showing management how many aircraft to build, how many to buy and how many employees to crew, maintain, sell tickets and `sling the hash' are needed to do the work!
As I said, produce some substantial figures (your own researched figures?) to support your argument or statements?