Let’s not forget though that the one and only reason for having a star as the logo is to reinforce the Star of David and the symbolism of Israel as a state. All that design talk is a load of guff.
Not sure what your point is... Influences from flags are often part of Eurovision logos
The Star of David is a LOT more than an influence from a flag... It is a much more powerful symbol than just that.
The Eurovision Song Contest's only interest in perhaps utilising a 6-point star symbol for the branding of the 2019 event would nevertheless be because it happens to be on the host country's flag, rather than because of anything to do with Judaism and/or implying any opinion regarding the long-standing Israel/Palestine sensitivities etc.
If the UK were ever to host the ESC in the future (which would presumably be after hell freezes over?!), and if that year's ESC logo was based in any way on the Union Flag, that would not mean that the EBU are suggesting any opinion regarding the Union (e.g. versus Scottish independence etc).