Intentions to create legal Relations

Dear English teachers,
I cannot understand one sentence in the following case. ‘The English Court of Appeal held that the statement in its context related to present fact and no promise as to future conduct could be implied’. Please explain it to me in simple English.
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A parent company wrote a "comfort letter" to merchant bankers when asking for finance facilities for a subsidiary saying "It is our policy to ensure that (the subsidiary) is at all times in a position to meet its liabilities to the (plaintiffs)". The English Court of Appeal held that the statement in its context related to present fact and no promise as to future conduct could be implied. It created a moral responsibility only.