It is not a case of not believing all you read. What the papers reported was perfectly accurate. They reported it was her version and it was an allegation. And they reported the store refuting her version of events. So if they reader decided to believe this woman's lies instead of the store, then that is their own fault.
From the report at the time...
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http://www.dailymail.co.uk/news/article-3160513/Security-guard-grabs-nine-month-old-baby-BREAST-mother-feeding-Primark-tells-want-baby-follow-me.html
Mother says Primark security guard grabbed her baby while she was breastfeeding and told her: 'If you want your baby back follow me'
Caroline Starmer, 28, allegedly had baby snatched from breast in Leicester
A mother claimed today that a security guard allegedly ordered her to stop feeding her daughter in Primark - before tearing the child off her breast, saying: 'If you want your baby back, follow me'.
Mother-of-four Caroline Starmer, 28, maintains that she was feeding nine-month-old Paige behind a mannequin in the clothing retailer’s store in Leicester when the worker forced her to stop.
Mrs Starmer said she chased after the man - described as a 5ft 10in Asian
He added: ‘The CCTV footage, reviewed by store management, shows the customer in the Leicester store quite clearly during the time in question.
‘We can see no evidence that she was approached by anyone during this period. We have spoken to the security guards on duty. They categorically deny behaving in the way alleged.
‘Furthermore the individuals do not fit the description given by the customer. We have therefore concluded that the customer allegation is not supported by the available evidence to date.
‘The company would obviously be happy to work with any police investigation into this incident, should this be needed.
‘We have tried to contact the customer to reassure her about Primark's practice on breastfeeding. At Primark, we work hard to provide all the comfort and facilities possible to our customers.
‘Our policy is quite clear. We do not prohibit breastfeeding. In addition, any customer can request a quiet or private area within the store to breastfeed her child and our staff will do all they can to accommodate such a request. Please do not hesitate to ask staff for assistance.’ //
However, despite there being no evidence to support the story, the newspaper gleefully printed her lies anyway, so if I were you I would stop reading the paper.