Really interesting, thanks! That value at the moment doesn't say anything (really huge error bars!) apart that they demonstrate that LIGO/Virgo can be used for

Really interesting, thanks! That value at the moment doesn't say anything (really huge error bars!) apart that they demonstrate that LIGO/Virgo can be used for that. But, as LIGO/Virgo expects to measure much more mergers in the future something interesting maybe can be inferred then.