Change means your way of doing things won't work anymore, and you'll have to waste time and money figuring out why.
Change means that your fixes for when things go wrong won't work anymore.
Change means months of hitting new edge cases.
Change is scary.
Once you have a solution that works well enough for your use case to succeed, your motivation to adopt change goes through the floor. The bigger the organization, the worse the worst case scenario, and the lower the appetite for change.
Change means things will break.
Change means your way of doing things won't work anymore, and you'll have to waste time and money figuring out why.
Change means that your fixes for when things go wrong won't work anymore.
Change means months of hitting new edge cases.
Change is scary.
Once you have a solution that works well enough for your use case to succeed, your motivation to adopt change goes through the floor. The bigger the organization, the worse the worst case scenario, and the lower the appetite for change.