Of course I am not forced, but also I am not able. I already paid 50 for the base game a couple of months ago, and now 50 again? Too much, especially considering the fact that they didn't update the base game as much as they promised. Maybe they will do that for another 50 euro expansion. This company is disappointing me more and more

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You know, Even as a die hard fanboy i do feel for you, it is more expensive than i thought (when I bought a kickstarter version which came with lifetime expansions, the value i added to the DLC was roughtly £15 for each one, so coming in at double that was a surprise. and I bet if most people were honest, they were surprised at £30 as well for a single one)
but
1) I have not seen anywhere that this means an end to updates to the core game, I am still hoping for more free content patches - please let me know if this is not the case and 1.4 is the last
2) like it or not, unlike BF4 and COD which get £60+ releases every 12 months for game and season pass, Frontier do not get that luxury so i suppose if we want a 5 - 10 year supported experience, but without motnhly subs, this must be what they have worked out to make it a viable model.