It's not so much a case of permanently "pressed" into place, as they are fitted cryogenically. That is to say the steerer is cooled in liquid nitrogen to cool it, whilst the crown will be warmed up to expand it. Bring the two together at different temperatures, they slot together, let them cool down and hey presto. A solid bond for life!
You need a new crown/steerer/upper assembly I'm afraid…
Or, you may be pleased to find out that Reba's seem to hold their value quite well on the 2nd hand market. You could probably sell your current forks on here or on ebay, and buy some of a similar condition with a longer steerer, and hopefully not be out of pocket by much, if anything at all.