I'm confused, it was The Great Goodbye, not Goodbye an A4. Of course they wanted to sell them as a set.
As for 'Hornby are now only out to make money' what's that supposed to mean, they a business not a charity.
Heaven forbid that a company should
dare to make money.
They have to pay wages, buy materials, pay tax etc. If they don't make money they won't exist. I think you will find the blue box version was even more.