You build platforms to be able to quickly make new models, maybe with minor upgrades to platform parts down the line. Taking what works from an old platform an

You build platforms to be able to quickly make new models, maybe with minor upgrades to platform parts down the line. Taking what works from an old platform and developing it further for different needs is known as "building a new platform". What the said is that they would mix and match parts from the old and new platform, which makes very little sense.