Does it mean I can buy chips that are on the boards and solder them if they go bad? It sounds like repairability means dividing device into smaller not repaira

Does it mean I can buy chips that are on the boards and solder them if they go bad? It sounds like repairability means dividing device into smaller not repairable parts and make extra money off of it. For instance, can I get those replaceable ports on Mouser? Repairwashing.