Tubeless tires seem to be an interesting compromise for commuters: they offer a good level of protection for small punctures, and allow to use supple tires at lower pressure, which has comfort benefits for people commuting on rough surfaces (heavy gravel, cobblestones, or through woods where thorny branches can be present...), especially over rigid puncture-resistant tires that are often installed on commuters.
But tubeless tires require additional maintenance: topping up sealant and cleaning the residue inside the tire. While the first step is rather fast with the proper kit, the second requires to remove the tire and remove sealant residues inside the tire.
The question is then: what happens if the sealant is only cleaned on a lower frequency than topping up? I understand some problem that may arise with bikes left in the garage for an entire season, like accumulation of residue in one spot. But the question is more about bikes used on an almost daily basis, so where the sealant wouldn't be stagnating for longish periods of time.