"the Nordic Model does decriminalise the prostitute"
No it doesn't, sexworkers are still committing a crime if they work together in all Nordic Model countries. Under decriminalisation sexworkers would face no criminal penalty for working together. Other disadvantages of the Nordic Model include women being evicted or losing custody of their children (selling sex is seen as a form of "self-harm" in Sweden which means sexworkers can be investigated by Social Services).
"There is no good reason to decriminalise buying sex"
Plenty of valid reasons (safer, less violence, less spread of STDs, less stigma towards sexworkers, better rapport with the police), hence the large amount of strong support for complete decriminalisation from sexworkers, human rights, health, anti-STD, anti-trafficking orgs etc. Many of these have previously supported the Nordic Model but switched to supporting decriminalisation after learning more.
"to want legalisation for the workers"
Decriminalisation is different from legalisation.
"Swedes feel very strongly that women are not pieces of meat for men to buy to stick their dicks in"
Rather disgusting terminology you chose there IMO. The moral aspect of sexwork is debatable, there are many people who think consenting adults should decide for themselves rather than have others decide for them.