It should be valued as the significant contribution it is. Nobody has died as a result. The fact that many names coined in them may be synonyms. The second I have already adressed. Being a plant taxonomy bibliophile I can agree with the sentiments expressed here.
All botanical research needs to be considered, as long as it fulfills the minimum rules.
We have to decide what the minimum rules are and make sure that we do not permit access to botanical nomenclature to be relegated to some elite group. Obviously, this will cause some inconvenience and even imprecision at times, but the benefits far outweigh any of these. Searching out the obscure reference, and once finding it, treasuring it for its contribution to new knowledge is one of the joys of botanical research.