First of all, I agree with the idea of the desire to declare attributions becoming a steamroller.... Much more so in today's world of internet information.
I also find it necessary to state publicly that I am of the opinion that many of the "Steinwald" attributions being tossed around right now will not hold up to the test of time.
The gentleman making the vast majority of them has now declared almost every Kralik decor (about 90 of them) he had on his website showing his collection, to be Steinwald and not Kralik. Many of them still show "Kralik, Steinwald" as an attribution, but have been moved to a Steinwald page and removed from a Kralik page entirely. Dual attributions are, at least to me, a bad attribution. Glass can either be Kralik or Steinwald, but not both. Much of the information I do not agree with, although some of it has merit.
Glass, in almost every instance, can be differentiated by makers, even if the decors are similar. As an example, Kralik, Loetz, and Harrach all made a Martelé decor, and the production in almost ever instance can be differentiated.
Kralik glass has been studied pretty intently since about 1995 or so, Steinwald, for the last 8 months or so. If one is to believe the new claims being tossed around right now regarding Steinwald, Kralik made next to no glass post WWI, and what was attributed to them was produced in large part by Steinwald.
I do not believe it is either possible, or actually supportable long term, to overrule 25 years of study with the use of a couple of found ads, a handful of museum examples, and some shape comparisons, and do it in a period of around 8 months or so.
Call me a doubting Thomas if you must, but I think attribution changes and declarations require much more substantiating evidence than we are seeing, to hold up to long term scrutiny.
Just my 2 cents worth, and not really a subject I am all that interested in contesting and getting n the middle of.
Craig